Finding the Fourth Proportional to 944,784,804.80, 1,417,177,207.20 and 906,521,052.80
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Solution
The fourth proportional to 944,784,804.80, 1,417,177,207.20 and 906,521,052.80 is: 1,359,781,579.20
Step by Step Solution
- Step 1: Write the proportion equation
944,784,804.80 : 1,417,177,207.20 = 906,521,052.80 : x - Step 2: Convert to fraction form
944,784,804.80/1,417,177,207.20 = 906,521,052.80/x - Step 3: Cross multiply
944,784,804.80x = 1,417,177,207.20 × 906,521,052.80 - Step 4: Simplify right side
944,784,804.80x = 1,284,700,973,875,107,840 - Step 5: Solve for x
x = 1,284,700,973,875,107,840/944,784,804.80 - Step 6: Final answer
x = 1,359,781,579.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.